Thanks for the prompt reply! The fact that it switches to Intel integrated graphics when unplugged, is perfect. Most times, when unplugged, I won't need the extra oomph, so this is exactly the way I would want it to function. Loosing an hour though, is still respectable, so even the worst-case scenario is something I could live with. I'm getting more and more excited about pulling the plug and ordering one of these babies. What a shame they're still not readily available at retail (at least not around here).